Only one of the molecules (PH3, H2O, C6H6, CH6CHO) is able to form intermolecular hydrogen bonding. State which molecule this is, and describe the features it possesses which make it possible for it to form hydrogen bonds.

How air particles exert a pressure on the inside of the balloon

Which statement explains why the bonds between non metals tend to be covalent? the bonds are found to be nondirectional they have large differences in electronegativity they have small differences in electronegativity they have ions that produce an electrostatic pull

Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.